61. What does the Kinetic Energy (KE) of a moving body depend upon?
62. A man puts 13kg object on his head by raising the object 1.5m above from the surface of earth. Then work done will be: (g = 10ms-2)
63. What is the energy in a compressed spring?
64. A ball of mass 2 kg, moving with a velocity of 5m/s collides with another body of mass 4 kg at rest. What will be the velocity of both balls after the collision?
65. What is the correct equation for finding the acceleration?
66. A 20g bullet is fired horizontally at a velocity of 150 ms-1 with a 3 kg pistol. What is the regressive velocity of the pistol?
67. If a boy leaves a gas-filled balloon that goes upward direction, its potential energy will be?
68. An object of mass 20kg is moving at a velocity of 6m/s. What is the kinetic energy of the object?
69. The gravitational potential energy of an object at a point above the ground. Is defined as the work done in . . . . . . . .
70. A moving object essentially receives-
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